Macintosh LC/Performa 475

One of the first Macs with new Motorola 68LC040 CPU,
Macintosh LC 475 was sold as LC 475, Performa 475 or ( with better case
and faster CPU) Quadra 650, each of
them with slightly modified pizza-box style case. The computer ran
itself at 50MHz, but CPU was 25MHz, so the clock was divided. Equipped
with 250MB hard drive and maximum 36MB of RAM, it was capable of running
many programs. Unfortunately 68LC040 was not capable of running Apple
Unix, as it has no math coprocessor.

I have 2 units. One is LC475, the second is Performa 475,
with re-designed front panel and cover. More, LC 475 has a ROM SIMM slot
soldered in, installed only in early units and used to factory test
different ROM revisions. There were no ROM SIMMs manufactured nor sold.
There was another model between these, a Macintosh LC475 with Performa's
cover, with "LC
475" written in front rounded sticker (see photo).
My units are upgraded with 1024K of VRAM and 32MB SIMM - giving total
36MB of RAM. Hard disks are not original - 500MB.

In 1992 earlier LC unit was tested and described by Polish computer
magazine Bajtek. Here are some shots of it: